Chemical Process problems
- 1. Esterification reaction produces
Options- A. detergent
- B. vanaspati
- C. soap
- D. mercaptans Discuss
Correct Answer: soap
- 2. Phosphate rock is a raw material for the manufacture of
Options- A. phosphoric acid
- B. phosphorous
- C. superphosphates
- D. all (a), (b) and (c) Discuss
Correct Answer: all (a), (b) and (c)
- 3. Fusion of bauxite and __________ produces high alumina cement.
Options- A. alum
- B. limestone
- C. coke
- D. quartz Discuss
Correct Answer: limestone
- 4. Fusel oil is a/an
Options- A. essential oil.
- B. extract from medicinal herbs.
- C. mixture of higher molecular weight alcohols (a by-product obtained during production of alcohol from molasses).
- D. none of these. Discuss
Correct Answer: mixture of higher molecular weight alcohols (a by-product obtained during production of alcohol from molasses).
- 5. Pick out the endothermic reaction out of the following.
Options- A. C+½O2 = CO
- B. CO + 3H2 = CH4 + H2O
- C. CaCO3 = CaO + CO2
- D. CO +½O2 = CO2 Discuss
Correct Answer: CaCO3 = CaO + CO2
- 6. Gun powder, which is an explosive comprises of charcoal, sulphur and
Options- A. glycerene
- B. salt petre
- C. nitro glycerene
- D. dynamite Discuss
Correct Answer: salt petre
- 7. Which of the following is an organo-metal-lic compound?
Options- A. Isopropyl alcohol
- B. Tetra-ethyl lead
- C. Zeolite
- D. Cumene Discuss
Correct Answer: Tetra-ethyl lead
- 8. Oxidation of SO2 to SO3 is favoured by
Options- A. low temperature and low pressure.
- B. low temperature and high pressure.
- C. high temperature and low pressure.
- D. high temperature and high pressure. Discuss
Correct Answer: low temperature and high pressure.
- 9. Which of the following sugars is the sweetest?
Options- A. Glucose
- B. Fructose
- C. Sucrose
- D. Lactose Discuss
Correct Answer: Fructose
- 10. The combustion reaction, C + O2 = CO2, is
Options- A. exothermic
- B. endothermic
- C. autocatalytic
- D. none of these Discuss
Correct Answer: exothermic
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